Sega Mega Drive & Genesis - Firmware Sega Mega Drive & Genesis - Firmware (TOSEC-v2021-02-12) TOSEC 2021-02-12 Cassiel - mictlantecuhtle contact@tosecdev.org TOSEC http://www.tosecdev.org/

Action Replay v1.31 (1991)(Datel) Everdrive OS v34 (20xx)(KRIKzz) Everdrive OS v35 (20xx)(KRIKzz) Game Genie Rev 0 (1992)(Codemasters - Galoob) Game Genie Rev 0 (1992)(Codemasters - Galoob)[b2] Game Genie Rev 0 (1992)(Codemasters - Galoob)[b] Game Genie Rev 1 (1992)(Codemasters - Galoob) Sega Genesis BIOS (1990)(Sega)(US) Sega Mega Drive - Genesis Boot ROM (1990-05)(Sega)